diff --git a/src/dev/io_device.cc b/src/dev/io_device.cc
index c073ab501..3c64e2717 100644
--- a/src/dev/io_device.cc
+++ b/src/dev/io_device.cc
@@ -71,7 +71,7 @@ void
 PioDevice::init()
 {
     if (!pioPort)
-        panic("Pio port not connected to anything!");
+        panic("Pio port %s not connected to anything!", name());
     pioPort->sendStatusChange(Port::RangeChange);
 }